【正文】
d where. Compare the following: a. The day when JFK was assassinated I was crossing the Atlantic. b. On November 22, when JFK was assassinated, I was crossing the Atlantic. c. The town where I was stationed was pretty arid. d. Quetta, where I was stationed, was a pretty arid place. Note that a ma is possible in a (after assassinated), but not in c. The same principle also extends to appositional phrases. Compare the following: a. Nietzsche’s work The Gay Science was written in 1888. b. Nietzsche’s last work, The Gay Science(艷體詩), was written in 1888. c. The famous thinker Michel Foucault has just died. d. A famous thinker, Michel Foucault, has just died. Prime Minister, Margaret Thatcher, has just resigned. f. Margaret Thatcher, the Prime Minister, has just resigned. In a the title of the work is defining, . The Gay Science was only one of several works by Nietzsche. In b the title is nondefining, because only one work can be the author’s last. In c Michel Foucault is not the only famous thinker。 therefore, the name Michel Foucault is defining, and hence no mas. In d A famous thinker and Michel Foucault are one and the same。 therefore, Michel Foucault is nondefining, and hence mas. Sentences e and f are nondefining (and therefore with mas), because in Britain there is only one Prime Minister at any one time. Before we go on, it is impo 6